TIAO_ZHAN = '../images/yys/tiaozhan.png'
JIE_SUAN1 = '../images/yys/jiesuan1.png'
JIE_SUAN2 = '../images/yys/jiesuan2.png'
JIE_SUAN3 = '../images/yys/jiesuan3.png'
JIE_SUAN4 = '../images/yys/jiesuan4.png'
